'use strict';

function even_to_letter(collection) {
  let arr=collection.filter(
    function filtered(element){
      return element%2===0;
    }
  );
  let arr1=[];
  for(let i of arr){
    arr1.push(String.fromCharCode(i+96));
  }
  return arr1;
}

module.exports = even_to_letter;
